On ubuntu, the very first thing to do is add our private registry to allow loading of images from a (vpn-ed) untrusted registry
On ubuntu, I would be able to edit /etc/default/docker and change the OPTS or while creating a docker-machine add the insecure registry to the OPTS as well
OS X: version 10.11.3 (build: 15D21)
Docker.app: version v1.10.3-beta5
Running diagnostic tests:
[OK] Moby booted
Docker logs are being collected into /tmp/20160331-211925.tar.gz.
Your unique id in bugsnag is: A60C8759-3C6D-4EFB-8873-5D0DCAEF9C71